What material is used for the hinge?

The hinge is made of high-quality aerospace aluminum alloy with a thickness of 4mm.

What is the minimum order quantity?

The minimum order quantity is 5000 pieces.

How long is the lead time?

The average lead time is within 15 working days for both peak and off-peak seasons.

Concealed Door Hydraulic Buffer Hinge, Automatic Closing Rebound Spring Hinge for Hinged Room Doors, Wooden Doors

Name: Concealed Door Hydraulic Buffer Hinge, Automatic Closing Rebound Spring Hinge for Hinged Room Doors, Wooden Doors
Brand: Zhaoqing Nuofeng Intelligent Technology Co., Ltd.
SKU: 2147511222

Guangdong, ChinaZhaoqing Nuofeng Intelligent Technology Co., Ltd.

US$25.00

1 Pair

Sample price:US$25.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

NF-E5-B-G

Type

175

Finish

Oxidation

Material

Stainless Steel

Name

Hydraulic Hinge

Product Material

Aerospace Aluminium

Colour

Silver/Black/Gold

Product Features

Load-Bearing Hydraulic Integrated

Transport Package

Carton

Specification

NF-E5-B-G

Trademark

NetFun NUOFENG

Origin

China

HS Code

8302100000

Production Capacity

50000sets/Month

Key features

High Load Capacity: Single hinge supports up to 50kg; 3 hinges for 80kg; 4 hinges for 100kg.

Adjustable Closing Speed: Variable speed control from 90 to 0 degrees for quiet or fast closing.

175 Degree Opening: Max opening angle of 175 degrees with automatic reset at 160 degrees.

Arbitrary Stop Angle: Door can be stopped at any angle between 90 and 160 degrees.

Durable Material: Constructed from aerospace aluminum alloy with 4mm thickness.

12 Months Warranty: Comes with a full 12-month warranty and after-sales service.

Customization Options: Available in Silver, Black, and Gold with full customization support.

Silent Operation: Heavy-duty hydraulic mechanism ensures silent and smooth closing.

Company profile

Experienced Team

Zhaoqing Nuofeng Intelligent Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤2.51h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company providing intelligent access-control and gate hardware solutions, including locks and related accessories. It reports R&D, manufacturing, sales, customization, and ODM capabilities, with new products introduced during the past year. Manufacturing space is 1,430 m², but quality control appears limited, with one inspector and finished-product instructions lacking written records. Service procedures exist for complaints and corrective actions, but supporting written records are absent. The supplier reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, and has exported for one year. Financial credibility cannot be fully assessed from the available non-financially reportable information. No certification, named customer case, or recognized-brand OEM evidence is provided.

Supplier typeThe supplier is a combined company whose stated business includes R&D, manufacturing, and sales of mechanical equipment, metal structures, security equipment, and commercial cryptographic products. Its company description further identifies it as a one-stop provider of intelligent access-control and gate hardware solutions.

R&D capabilityThe supplier states that it conducts R&D, introduced new products during the past year, and provides ODM services. However, it reports no available SDK and no OEM service for well-known brands, so the evidence supports product-development capability but not broader software or major-brand innovation credentials.

Production capacityThe supplier reports a 1,430 m² manufacturing plant and production-related equipment including punching, drilling, and packing machines. Its business scope includes manufacturing security equipment and metal structures, but only one quality inspector is reported and finished-product inspection lacks written records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently across the R&D and design-service records.

Product Q&A

Q:What is the maximum opening angle?

The maximum opening angle is 175 degrees. If it exceeds 160 degrees, it automatically resets to the 160-degree door stop position.

Q:How does the closing speed work?

The door closes automatically below 90 degrees. The speed is faster between 90 and 30 degrees, slower between 30 and 15 degrees, and adjustable between 15 and 0 degrees.

Q:What is the load capacity of the hinge?

One pair of hinges can bear up to 50kg. For doors up to 80kg, use 3 hinges, and for up to 100kg, use 4 hinges.

Q:Is the hinge customizable?

Yes, we offer full customization, minor customization, and customization from samples or designs. Colors available include Silver, Black, and Gold.

Q:What is the warranty period?

We provide a 12-month warranty and after-sales service for all our hydraulic hinges.